//
//  UISegmentedControl+Category.m
//  ChartsDemo
//
//  Created by wusiping on 2021/4/5.
//

#import "UISegmentedControl+Category.h"

@implementation UISegmentedControl (Category)

- (void)segmentedIOS13Style
{
    if (@available(iOS 13, *)) {
        UIColor *tintColor = [self tintColor];
        UIImage *tintColorImage = [self imageWithColor:tintColor];
        // Must set the background image for normal to something (even clear) else the rest won't work

        [self setBackgroundImage:[self imageWithColor:self.backgroundColor ? self.backgroundColor : [UIColor clearColor]] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        [self setBackgroundImage:tintColorImage forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];
        [self setBackgroundImage:[self imageWithColor:[tintColor colorWithAlphaComponent:0.2]] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
        [self setBackgroundImage:tintColorImage forState:UIControlStateSelected|UIControlStateSelected barMetrics:UIBarMetricsDefault];
        [self setTitleTextAttributes:@{NSForegroundColorAttributeName: tintColor, NSFontAttributeName: [UIFont systemFontOfSize:13]} forState:UIControlStateNormal];
        [self setTitleTextAttributes:@{NSForegroundColorAttributeName: [UIColor whiteColor], NSFontAttributeName: [UIFont systemFontOfSize:13]} forState:UIControlStateSelected];

        [self setDividerImage:tintColorImage forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        self.layer.borderWidth = 1;
        self.layer.borderColor = [tintColor CGColor];
//        self.selectedSegmentTintColor = [UIColor whiteColor];
    }


}
- (UIImage *)imageWithColor: (UIColor *)color {

CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);

UIGraphicsBeginImageContext(rect.size);

CGContextRef context = UIGraphicsGetCurrentContext();

CGContextSetFillColorWithColor(context, [color CGColor]);

CGContextFillRect(context, rect);

UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return theImage;

}

@end
